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[media] ov772x: Make to_ov772x convert from v4l2_subdev to ov772x_priv 

Conversion from i2c_client to ov772x_priv is only needed in a single
location, while conversion from v4l2_subdev to ov772x_priv is needed in
several locations. Perform the former manually, and use to_ov772x for
the later.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2012-07-18 10:58:22 -03:00 committed by Mauro Carvalho Chehab
parent 9f717e9022
commit 47de502b04
1 changed files with 10 additions and 11 deletions
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21
drivers/media/i2c/soc_camera/ov772x.c
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@ -525,10 +525,9 @@ static const struct ov772x_win_size ov772x_win_sizes[] = {
* general function
*/
static struct ov772x_priv *to_ov772x(const struct i2c_client *client)
static struct ov772x_priv *to_ov772x(struct v4l2_subdev *sd)
{
return container_of(i2c_get_clientdata(client), struct ov772x_priv,
subdev);
return container_of(sd, struct ov772x_priv, subdev);
}
static int ov772x_write_array(struct i2c_client *client,
@ -574,7 +573,7 @@ static int ov772x_reset(struct i2c_client *client)
static int ov772x_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
struct ov772x_priv *priv = to_ov772x(sd);
if (!enable) {
ov772x_mask_set(client, COM2, SOFT_SLEEP_MODE, SOFT_SLEEP_MODE);
@ -638,7 +637,7 @@ static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl)
static int ov772x_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *id)
{
struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
struct ov772x_priv *priv = to_ov772x(sd);
id->ident = priv->model;
id->revision = 0;
@ -880,7 +879,7 @@ static int ov772x_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
static int ov772x_g_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf)
{
struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
struct ov772x_priv *priv = to_ov772x(sd);
mf->width = priv->win->width;
mf->height = priv->win->height;
@ -893,7 +892,7 @@ static int ov772x_g_fmt(struct v4l2_subdev *sd,
static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
{
struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
struct ov772x_priv *priv = to_ov772x(sd);
const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
int ret;
@ -933,9 +932,9 @@ static int ov772x_try_fmt(struct v4l2_subdev *sd,
return 0;
}
static int ov772x_video_probe(struct i2c_client *client)
static int ov772x_video_probe(struct ov772x_priv *priv)
{
struct ov772x_priv *priv = to_ov772x(client);
struct i2c_client *client = v4l2_get_subdevdata(&priv->subdev);
u8 pid, ver;
const char *devname;
int ret;
@ -1078,7 +1077,7 @@ static int ov772x_probe(struct i2c_client *client,
goto done;
}
ret = ov772x_video_probe(client);
ret = ov772x_video_probe(priv);
if (ret < 0)
goto done;
@ -1095,7 +1094,7 @@ done:
static int ov772x_remove(struct i2c_client *client)
{
struct ov772x_priv *priv = to_ov772x(client);
struct ov772x_priv *priv = to_ov772x(i2c_get_clientdata(client));
v4l2_device_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);